Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, follow Maintenance Under Severe Usage Conditions.
If your vehicle is operated under the above conditions, you should inspect, replace or refill more frequently than the following Normal Maintenance Schedule. After the periods or distance shown in the chart, continue to follow the prescribed maintenance intervals.
Kia Cee'd JD Owners Manual: How does the air bag system
operate
Air bags are activated (able to inflate if
necessary) only when the ignition
switch is turned to the ON or START
position.
Air bags inflate instantly in the event of
serious frontal or side collision (if
equipped with side impact air bag or
curtain air bag) in order to help pr ...
Kia Cee'd JD Service Manual: Variable Intake Solenoid (VIS) Valve Description and operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold.
The VIS valve controls the vacuum modulator which activates a valve in the intake
manifold. The ECM opens or closes this valve according to engine condition (Refer
to below table). ...